[email protected] schrieb: > Hi , I am working on a project to add properties on map. > > In my map i want to add tiles on Google map from a large numbers of > lat long, nearly about 40,000 > Any one can please help me how to that. > Because you mention to "add tiles" I suppose you are intending to create a custom tile layer? If you are using .net then MapDotNet or Cumberland (an open source project) might help you. For both your database has to support spatial datatypes. > Second I want to know how to get records from a square of lat long, My > means is that suppose in a particular zoom layer I have a square of > Google map, now I want to get the records from database in current > view of map. > If you have the topleft/bottomright coordinates of your square then it is in approximation a simple "select * from table where (lat between tl_lat and br_lat) and (lon between tl_lon and br_lon)". If your database supports spatial datatypes there are "STxxx" functions available for those kind of queries. > Thanks > Vineet > > > >
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